We've talked a lot this week about the positive impact gratefulness has on us individually, but how does it affect groups, families, workplaces, societies?  What happens when a culture loses touch with gratitude?  A dynamic of gratitude elevates our relationships and communities, but, if we're waiting to enjoy perfection together, we may wait a long time.  How can you build a habit of gratitude in ways that help raise the happiness quotient in the groups you inhabit?